Related Clues:
- With 21-Across, heartsick
- Eros' specialty
- Word on a February card
- Bare-bones
- Tin Pan Alley topic
- All you need, according to the Beatles
- All you need, to the Beatles
- Not fancy
- It could be nothing
- All you need, according to a 1967 hit
- XOXOXO alternative
- Part of some tennis scores
- It makes the world go round
- All you need, per the Beatles
- It's nothing to Federer